Lifting devices are tools or machines designed to raise, lower, or move heavy objects safely and efficiently. Common examples include cranes, forklifts, and hoists. These devices are essential in construction, manufacturing, and warehousing, helping to reduce manual labor and prevent injuries. These devices operate using various mechanisms, such as pulleys, levers, and hydraulic systems. They can be powered manually or through electricity, depending on the application. Proper use and maintenance of lifting devices are crucial to ensure safety and effectiveness in handling heavy loads.